$(document).ready(function(){
	$(function () {
			$('.image').hover(function() {
				$(this).find("a.en_icon").removeClass("enlarge");
				$(this).find("a.en_icon").addClass("enlarge_hover");
				$(this).find("a.en_icon2").removeClass("enlarge");
				$(this).find("a.en_icon2").addClass("enlarge_hover");
				$(this).find("img").parent().removeClass("img_link");
				$(this).find("img").parent().addClass("img_link_hover");
			}, function() {
				$(this).find("a.en_icon").removeClass("enlarge_hover");
				$(this).find("a.en_icon").addClass("enlarge");
				$(this).find("a.en_icon2").removeClass("enlarge_hover");
				$(this).find("a.en_icon2").addClass("enlarge");
				$(this).find("img").parent().removeClass("img_link_hover");
				$(this).find("img").parent().addClass("img_link");
			});
    $('.e1std_slider').cycle({
		fx: 'fade', // choose your transition type, ex: fade, scrollUp, shuffle, etc...
		timeout: 8000
	});
    $('.znc_slider1').cycle({
		fx: 'scrollDown', // choose your transition type, ex: fade, scrollUp, shuffle, etc...
		timeout: 6000 
	});
    $('.znc_slider2').cycle({
		fx: 'fade', // choose your transition type, ex: fade, scrollUp, shuffle, etc...
		timeout: 5000 
	});
    $('.znc_slider3').cycle({
		fx: 'fade', // choose your transition type, ex: fade, scrollUp, shuffle, etc...
		timeout: 9000 
	});
	});
	$(function() {
        $('.gallery a.en_icon').lightBox();
    });
  $(function() {
      $('.gallery a.en_img').lightBox();
  });
	$(function() {
		$( "a.thumb").lightBox();
	});
	
	$(".ref_stranka").hover(function() { //On hover...
		
		var thumbOver = $(this).find("img").attr("src"); //Get image url and assign it to 'thumbOver'
		
		//Set a background image(thumbOver) on the <a> tag 
		$(this).find("a.thumb").css({'background' : 'url(' + thumbOver + ') no-repeat center bottom'});
		//Fade the image to 0 
		$(this).find("span").stop().fadeTo('normal', 0 , function() {
			$(this).hide() //Hide the image after fade
		}); 
	} , function() { //on hover out...
		//Fade the image to 1 
		$(this).find("span").stop().fadeTo('normal', 1).show();
	});
});


/*** 
    Simple jQuery Slideshow Script
    Released by Jon Raasch (jonraasch.com) under FreeBSD license: free to use or modify, not responsible for anything, etc.  Please link out to me if you like it :)
***/

function slideSwitch() {
    var $active = $('#slideshow IMG.active');

    if ( $active.length == 0 ) $active = $('#slideshow IMG:last');

    // use this to pull the images in the order they appear in the markup
    var $next =  $active.next().length ? $active.next()
        : $('#slideshow IMG:first');

    // uncomment the 3 lines below to pull the images in random order
    
    //var $sibs  = $active.siblings();
    //var rndNum = Math.floor(Math.random() * $sibs.length );
    //var $next  = $( $sibs[ rndNum ] );


    $active.addClass('last-active');

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1000, function() {
            $active.removeClass('active last-active');
        });
}

$(function() {
    setInterval( "slideSwitch()", 5000 );
});

function isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
	return false;
    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
	return false;
    }
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}